Hornady
Hornady Lock-N-Load AP Progressive Reloading Press
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Best Reloading Presses · head-to-head
Hornady Lock-N-Load AP Progressive Reloading Press vs RCBS Rock Chucker Supreme Single Stage Reloading Press
A sourced, side-by-side comparison. RCBS Rock Chucker Supreme Single Stage Reloading Press is cheaper at $259.99. Every spec and price links to its source.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Hornady Lock-N-Load AP Progressive Reloading Press |  RCBS Rock Chucker Supreme Single Stage Reloading Press |
|---|---|---|
| US price | — | $259.99 |
| Brand | Hornady | RCBS |
| Released | — | — |
| Press type | progressive, auto-indexing | single stage |
| Number of stations | 5 | 1 |
| RAM diameter (in) | — | 1 |
| Rounds per hour | up to 500 | — |
| Priming system | on-press, automatic case-activated Positive Priming System | off-press, separate hand-priming tool required (no integrated priming arm standard) |
| Frame material | cast iron | cast iron, O-frame |
| Shellplate turret compatibility | 5-station Lock-N-Load quick-change die bushing system, accepts standard 7/8-14 dies via LNL bushings; caliber changeover in under 5 minutes | standard 7/8-14 threaded dies, 4.25 in. loading window for magnum-length cartridges |
| Mounting footprint | bench-mount, 4-bolt pattern | bench-mount, 4-hole pattern |
Sources — Hornady Lock-N-Load AP Progressive Reloading Press: hornady.com (verified 2026-08-11). RCBS Rock Chucker Supreme Single Stage Reloading Press: shop.rcbs.com (verified 2026-08-11).
What's the difference between the Hornady Lock-N-Load AP Progressive Reloading Press and RCBS Rock Chucker Supreme Single Stage Reloading Press?
Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.
- Press type: Hornady Lock-N-Load AP Progressive Reloading Press progressive, auto-indexing vs RCBS Rock Chucker Supreme Single Stage Reloading Press single stage
- Number of stations: Hornady Lock-N-Load AP Progressive Reloading Press 5 vs RCBS Rock Chucker Supreme Single Stage Reloading Press 1
- Priming system: Hornady Lock-N-Load AP Progressive Reloading Press on-press, automatic case-activated Positive Priming System vs RCBS Rock Chucker Supreme Single Stage Reloading Press off-press, separate hand-priming tool required (no integrated priming arm standard)
- Frame material: Hornady Lock-N-Load AP Progressive Reloading Press cast iron vs RCBS Rock Chucker Supreme Single Stage Reloading Press cast iron, O-frame
- Shellplate turret compatibility: Hornady Lock-N-Load AP Progressive Reloading Press 5-station Lock-N-Load quick-change die bushing system, accepts standard 7/8-14 dies via LNL bushings; caliber changeover in under 5 minutes vs RCBS Rock Chucker Supreme Single Stage Reloading Press standard 7/8-14 threaded dies, 4.25 in. loading window for magnum-length cartridges
- Mounting footprint: Hornady Lock-N-Load AP Progressive Reloading Press bench-mount, 4-bolt pattern vs RCBS Rock Chucker Supreme Single Stage Reloading Press bench-mount, 4-hole pattern